Finding the Fourth Proportional to 71,641.05, 107,433.42 and 24,243.09
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Solution
The fourth proportional to 71,641.05, 107,433.42 and 24,243.09 is: 36,355.11
Step by Step Solution
- Step 1: Write the proportion equation
71,641.05 : 107,433.42 = 24,243.09 : x - Step 2: Convert to fraction form
71,641.05/107,433.42 = 24,243.09/x - Step 3: Cross multiply
71,641.05x = 107,433.42 × 24,243.09 - Step 4: Simplify right side
71,641.05x = 2,604,518,070.07 - Step 5: Solve for x
x = 2,604,518,070.07/71,641.05 - Step 6: Final answer
x = 36,355.11
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.